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 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
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 *
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#ifndef _DBA_CORE_RESOURCE_HXX_
#define _DBA_CORE_RESOURCE_HXX_

#ifndef _RTL_USTRING_HXX_
#include <rtl/ustring.hxx>
#endif
#include <osl/mutex.hxx>

class ResMgr;
//.........................................................................
namespace dbaccess
{

#define DBA_RES( id )                       ResourceManager::loadString( id )
#define DBA_RES_PARAM( id, ascii, replace ) ResourceManager::loadString( id, ascii, replace )

#define DBACORE_RESSTRING( id ) DBA_RES( id )
        // (compatibility)

	//==================================================================
	//= ResourceManager
	//= handling ressources within the DBA-Core library
	//==================================================================
	class ResourceManager
	{
        friend class OModuleClient;
        static ::osl::Mutex	s_aMutex;		/// access safety
        static sal_Int32	s_nClients;		/// number of registered clients
		static ResMgr*	m_pImpl;        

	private:
		// no instantiation allowed
		ResourceManager() { }
		~ResourceManager() { }

	protected:
		static void ensureImplExists();
	    /// register a client for the module
	    static void	registerClient();
	    /// revoke a client for the module
	    static void	revokeClient();

	public:
		/** loads the string with the specified resource id
		*/
		static ::rtl::OUString  loadString(sal_uInt16 _nResId);

        /** loads a string from the resource file, substituting a placeholder with a given string

            @param  _nResId
                the resource ID of the string to load
            @param  _pPlaceholderAscii
                the ASCII representation of the placeholder string
            @param  _rReplace
                the string which should substitute the placeholder
        */
        static ::rtl::OUString  loadString(
                sal_uInt16              _nResId,
                const sal_Char*         _pPlaceholderAscii,
                const ::rtl::OUString&  _rReplace
        );

        /** loads a string from the resource file, substituting two placeholders with given strings

            @param  _nResId
                the resource ID of the string to load
            @param  _pPlaceholderAscii1
                the ASCII representation of the first placeholder string
            @param  _rReplace1
                the string which should substitute the first placeholder
            @param  _pPlaceholderAscii2
                the ASCII representation of the second placeholder string
            @param  _rReplace2
                the string which should substitute the second placeholder
        */
        static ::rtl::OUString  loadString(
                sal_uInt16              _nResId,
                const sal_Char*         _pPlaceholderAscii1,
                const ::rtl::OUString&  _rReplace1,
                const sal_Char*         _pPlaceholderAscii2,
                const ::rtl::OUString&  _rReplace2
        );

        static ResMgr*	getResManager();
	};

    //=========================================================================
    //= OModuleClient
    //=========================================================================
    /** base class for objects which uses any global module-specific ressources 
    */
    class OModuleClient
    {
    public:
	    OModuleClient()		{ ResourceManager::registerClient(); }
	    ~OModuleClient()	{ ResourceManager::revokeClient(); }
    };


//.........................................................................
}
//.........................................................................

#endif // _DBA_CORE_RESOURCE_HXX_

